APW7068 查看數據表（PDF） - Anpec Electronics

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APW7068

Synchronous Buck PWM and Linear Controller with 0.8V Reference Out Voltage

Anpec Electronics 

APW7068

Electrical Characteristics (Cont.)

Unless otherwise specified, these specifications apply over VCC12=12V, and TA =-20~70°C. Typical values

are at TA=25°C.

Symbol

Parameter

Test Conditions

APW7068

Unit

Min Typ Max

REFERENCE

VREF

Reference Voltage

for Error Amp1 and Amp2

Reference Voltage Tolerance

0.792 0.80 0.808 V

-1

+1 %

PWM Load Regulation

Linear Load Regulation

PWM ERROR AMPLIFIER

IOUT1=0 to 10A

IOUT2=0 to 3A

1

%

1

%

Gain Open Loop Gain

GBWP Open Loop Bandwidth

SR Slew Rate

FB Input Current

VCOMP COMP High Voltage

VCOMP COMP Low Voltage

ICOMP COMP Source Current

ICOMP COMP Sink Current

GATE DRIVERS

RL=10k, CL=10pF (NOTE3)

RL=10k, CL=10pF (NOTE3)

RL=10k, CL=10pF (NOTE3)

VFB=0.8V

COMP=2V

COMP=2V

93

dB

20

MHz

8

V/us

0.1 1 uA

5

V

0

V

12

mA

12

mA

IUGATE

IUGATE

Upper Gate Source Current

Upper Gate Sink Current

BOOT=12V,

UGATE-PHASE = 2V

2.5

A

2

A

ILGATE

ILGATE

Lower Gate Source Current

Lower Gate Sink Current

VCC12=12V, LGATE=2V

RUGATE Upper Gate Source Impedance BOOT=12V, IUGATE=0.1A

RUGATE Upper Gate Sink Impedance BOOT=12V, IUGATE=0.1A

RLGATE Lower Gate Source Impedance VCC12=12V, ILGATE=0.1A

RLGATE Lower Gate Sink Impedance VCC12=12V, ILGATE=0.1A

TD Dead Time

LINEAR REGULATOR

2.5

A

3.5

A

2.25 3.375 Ω

0.7 1.05 Ω

2.25 3.375 Ω

0.4 0.6 Ω

20

nS

Gain

GBWP

SR

VDRIVE

VDRIVE

IDRIVE

IDRIVE

Open Loop Gain

Open Loop Bandwidth

Slew Rate

FBL Input Current

DRIVE High Voltage

DRIVE Low Voltage

DRIVE Source Current

DRIVE Sink Current

RL=10k, CL=10pF (NOTE3)

RL=10k, CL=10pF (NOTE3)

RL=10k, CL=10pF (NOTE3)

VFBL=0.8V

DRIVE=5V

DRIVE=5V

70

dB

19

MHz

6

V/us

0.1 1 uA

10

V

0

V

4

mA

3

mA

Copyright © ANPEC Electronics Corp.

5

Rev. A.2 - Jun., 2006

www.anpec.com.tw

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